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Megavoltage planar and cone-beam imaging with low-Z targets: dependence of image quality improvement on beam energy and patient separation.

Authors
  • Robar, James L
  • Connell, Tanner
  • Huang, Weihong
  • Kelly, Robin G
Type
Published Article
Journal
Medical Physics
Publisher
Wiley (John Wiley & Sons)
Publication Date
Sep 01, 2009
Volume
36
Issue
9
Pages
3955–3963
Identifiers
PMID: 19810468
Source
Medline
License
Unknown

Abstract

The use of low-Z external targets in the linear accelerator improves megavoltage planar and CBCT image quality significantly. CNR may be increased by a factor of 4 or greater. Improvement of the spatial resolution is also apparent.

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